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2004 Specifications CSJ 0902-48-433

SPECIAL SPECIFICATION 6326 OC3 Microwave

1. General. Furnish and install OC3 Microwave Radio as shown on the plans, as detailed in the Special Specifications, and as directed. Provide all similar OC3 Microwave from the same manufacturer and are of the same model. Furnish new, corrosion resistant materials. Furnish, assemble, fabricate and install materials in strict accordance with the details shown on the plans and in the specifications.

Provide an interference analysis for each TXDOT OC3 Microwave location to identify potential sources of interference. Adjust polarities and channel plans on equipment to minimize interference from other sources. If the interference analysis shows possibility for interference at the TXDOT sites, conduct in-field monitoring to determine if actual interference exists.

Perform a search and conduct all other steps required to obtain an operating frequency license from the FCC to operate the links to be installed. Include licenses for all equipment, where required, for any software or hardware in the system. Supply a medical statement as to the safety of the unit to the general public (example: Pacemakers, etc.). 2. Materials. A. Functional Requirements. Ensure the Wireless OC3 Microwave Radio is a point to point, licensed, microwave radio that modulates/demodulates the 155 Mbps Sonet/SDH payloads, manages local and remote units, and must provide I/O line alarms, and interfaces for 1.544 Mbps Wayside channel, 64 Kbps User channel and 64 Kbps Order Wire channel. Ensure the OC3 Microwave system includes three major components, Indoor Unit (IDU), Outdoor Unit (ODU), and Antenna. Provide a single (Belden 9914, LMR-400, or equivalent) cable, carrying communications and DC power to connect the IDU to the ODU. Ensure the OC3 Microwave system must be a split radio configuration utilizing a IDU (Indoor Unit) and an ODU (Outdoor Unit). The IDU must be a compact, 1U-high unit, mount compatible for standard 19 in. racks. The IDU modulates/demodulates the 155 Mbps Sonet/SDH payloads, manages local and remote units, and must provide I/O line alarms, and interfaces for 1.544 Mbps Wayside channel, 64 Kbps User channel and 64 Kbps Order Wire channel.

1-11 XXXX 01-06 The IDU also interfaces a Local Maintenance Terminal or Network Management System. In addition, provide status alarms and indicators on the front panel. Provide a single IDU capable of operation as a: 1x1 hot-standby 1x1 hot-standby/space diversity 2 non-protected radio terminals The main IDU modules should include: • The following Network Interface combinations: OC3, OC3-C, 3xDS3, 100BTX, 2x100BTX, 100BTX+DS3, 100BTX+8xDS1, 2xDS3+8xDS1 • Multiplexer (MUX) • • Manager Card • Cable Interface • Power Supply Design the ODU to be attached directly to the antenna using latches for of 11 Ghz and higher. For 6 Ghz ODU’s, the ODU must be a remote mount type with a flexible . The antenna must be mounted on a standard mounting pole. The ODU must be enclosed in a compact, weatherproof enclosure. The ODU major modules should include: • T/R Module - High sensitivity RF circuitry with full band frequency tuning range. • Controller - Controls the ODU and provides ODU status signals. • Accurate received signal level (RSL) reading (in dBm) should be available through a BNC connector. The ODU should also be provided with a headset for initial antenna alignment using a tone. • Cable Combiner • Power Supply. Recommend the appropriate frequency allocation to meet the link requirements listed in the plans. Provide OC3 Microwave system capable of operating in the frequency range of 6, 11, or 18 GHz, or as directed. The OC3 Microwave system will have an RS232 (PPP, SLIP) and a bridge 10Base-T Network Management Interface and a RS232 (standard ASCII terminal) interface for local configuration and monitoring.

The OC3 Microwave system shall use a single coaxial cable between the IDU and ODU. The cable must carry the following signals.

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• Transmit and receive modulated signals. • Transmit and receive control data and communications between the IDU manager and the ODU controller. • DC power from the IDU to the ODU.

The OC3 Microwave system must: • Automatically issue an alarm if the cable is disconnected • Provide protection against shorts • Automatically compensate for cable length up to 1000 ft.

The required power supply features of the OC3 Microwave system are: • Standard Input: -48 VDC • DC input range: -40.5 VDC to -72 VDC • DC/DC converter. • Reverse polarity protection. • Over-voltage and over-current protection. • Detection of IDU-ODU cable alarms (i.e. cable open, cable short). • The ODU must receive its DC power from the IDU. • Terminal (IDU + ODU) power consumption should not exceed 100W. Provide the OC3 Microwave system Multiplexer (MUX) module to function as a SONET Regenerator. On the line side it should interface the OC-3 stream, and on the radio side the Modem module. Equip the OC3 Microwave system with a 16-state QAM modem for frequencies of 18- 38 GHz and with a 128-state QAM modem for 6 - 18 GHz frequencies. The modem must be equipped with Digital functions as follows: • Digital IF - I/Q modulator/demodulator whose functions are: - Conversion of the modulated signal to/from the IF frequency. - Automatic level equalization on the signal from ODU. - Protection against overloads. • Timing recovery techniques employing digital tracking loop. • FEC (Forward Error Correction) which ensures unfaded BER lower than 10-13.

3-11 XXXX 01-06 The OC3 Microwave system Manager module controls and manages all system modules of the local and remote units. The Manager module must support the user interface through Ethernet or PPP/SLIP to the management station, and an ASCII terminal . A local or dumb terminal must be able to be used for basic configuration and performance monitoring. Other features must include: • Log file • Remote software and firmware download (upgrades can be downloaded from local to remote) • Performance monitoring In addition to the above listed requirements the following features are required: • For IP applications, the system should incorporate dynamic allocation between its 100BT ports. • The system design should offer easy scalability for higher capacities in the future, without adding more antennas. • The system should have add/drop capabilities for deployments in SONET ring or chain applications dropping 1-32 DS1s per . • The proposed system should have an optional OC3 DES built-in encryption. The OC3 Microwave Radios shall meet the minimum requirements: Radio Specification 6 GHz 11 GHz 18 GHz Standards FCC FCC FCC Operating 5.925-6.425 GHz 10.7-11.7 GHz 17.7-19.7 GHz Fequency Range 6.425-7.1 GHz Tx/Rx Spacing 240, 252.04, 260, 490 MHz 1560 MHz 266, 340 MHz RF Channel 30 MHz 30/40 MHz 50/80 MHz Spacing Transmit Power 24 dBm 20 dBm 17 dBm Tx 30 dBm 30 dBm 30 dBm Range Receiver -68 dBm -68 dBm -67 dBm Sensitivity (BER=10-6)

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All Frequencies Capacity OC-3/STM-1 or equivalent Modulation Type 16 QAM/128 QAM Frequency Stability 0.0010 ppm Frequency Source Synthesizer RF Channel Selection Via NMS System Configurations Non-Protected (1+0), Protected (1+1) For low frequencies (6-11 GHz) space diversity and frequency diversity can be used to ensure data integrity. A Hitless/Errorless must be used for such systems. -3 Receiver Overload (BER=10 ) Better than -20 dBm Unfaded BER Less than 10-13

Antenna 6-18 GHz Specificati 6 GHz 11 GHz 18 GHz on 2 Ft Gain 29.3 dBi -- 38.5 dBi 3 Ft Gain -- -- 42 dBi 4/6 Ft Gain 36.4/40.2 dBi 40.5/43.6 dBi 44.5/48 dBi

All Frequencies Vertical or Horizontal

Standard Mounting 1.9 in.-4.5 in. (subject to vendor and antenna OD Pole size) High Performance ETSI class 2, 3

5-11 XXXX 01-06 Network Mangement, Diagnostics, Status & Alarms Type SNMP, in compliance with RFC 1213, RFC 1595 (Sonet MIB) Local or Remote GUI for Windows 95/98/NT or UNIX, capable of NMS Station integration with HP OpenView NMS Interface Ethernet bridge 10Base-T, RS-232 (PPP, SLIP) Local Standard ASCII terminal, serial RS-232 Configuration and Monitoring In-Band Must Use standard embedded communications Management channel DCC bytes D1-D3 for in-band management. TMN NMS functions to be in accordance with ITU-T recommendations for TMN. External Alarms 8 Inputs, TTL-level or contact closure to ground, 5 Outputs, Form C contacts, software configurable RSL Indication Accurate power reading (dBm) must be available at IDU, ODU and NMS Performance Integral with an on board memory per ITU-TG.826 Monitoring

Wireless Networking : Network Topologies Point-to-Point

Payload 155.52 Mbps Main Channel Payload Types Sonet: OC-3/sts-3, OC-3c/STS-3c, SDH: OC-3, ATM over Sonet/SDH, 3xDS3/ES3, IP over SONET (100BT, 2x100BT), 100BT+8DS1, 100BT+DS3, 2xDS3 + 8xDS1 Physical Electrical: CMI, UTP, STP, optical: single-mode, multi- Interfaces mode, long-haul & short-haul Compatible ITU-T G.703, G.707, G.783, G.823, G.957, G.958, ITU- Standards T I.432, ATM Forum, ETSI ETS 300 147, ETS 300 417, ANSI T1.105, ANSI T1.102-1993, Bellcore GR-253- core, TR-NWT-000499

1544/2048 Kbps Wayside Channel * Available Interfaces T1/E1, Ethernet bridge 10Base-T or RS- 530

6-11 XXXX 01-06 User Channel User Channel 64 Kbps, RS-232

Service Channel Engineering Order Wire ADM CVSD audio channel (64 Kb/s)

Interfaces (general): All interfaces must be available as modular plug-in interface units.

Environment Operating ODU: -35°C to 55°C (Guaranteed Performance) IDU: -5°C to 45°C Relative Humidity ODU: up to 100% (all weather operation) IDU: up to 95% (non-condensing) Altitude Up to 15,000 ft

Power Standard Input -48V DC DC Input range -40.5 to –72V DC Optional Input AC with external supply Terminal (IDU + ODU) power consumption shall not exceed 100W.

Mechanical Dimensions ODU 10 in. diameter x 8 in. depth; 8 kg weight IDU 1.7 in. height x 17 in. width x 9.4 in. depth; 2.7 kg weight IDU-ODU RG-223 (300 ft.), Belden 9914/RG-8 (1000 ft.) or Coaxial Cable equivalent, N-type connectors (male)

B. System Installation. Provide and install all materials, including support, calibration and test equipment, to ensure an operating and functional wireless system. This shall include installation of OC3 Microwave equipment with power and data cables, and the Power and Grounding System. Prior to beginning installation, inspect each site to verify suitability of installation and submit its Installation design and its grounding and lightning protection design to the Engineer for approval prior to installation. This installation shall include: C. Antenna Mounts. Provide and install antenna mounts, standoffs, brackets and hardware, , hanger kits and grounding kits. Install all antennas at specified center lines. Perform antenna alignment for each path and compare with path calculations. D. System Power and Grounding. Describe its proposed grounding and lightning protection design. Connect its equipment to the 115 Volt circuits provided at the sites. Bond all equipment racks in accordance with the approved Installation Specification. Ground all equipment racks to the single-point ground for the site. Provide grounding

7-11 XXXX 01-06 and lightning protection for all cable runs on the support tower and at the equipment entry point. E. System Optimization. Following installation of the completed system, optimize the equipment at each site in accordance with the specifications to provide a complete, operational system. F. Software. Provide any and all programming and software required to support the OC3 Microwave system. Install the programming and software in the appropriate equipment at the time of acceptance testing, and shall be used in the acceptance testing. Provide software update free of charge during the warranty period. G. Power Requirements. . Provide the OC3 to operate at input voltage range of -40.5 to –72V DC, from a separate power supply to be provided as part of the bid item.

The separate power supply shall operate from 115 VAC ± 10%, 60 Hz ± 3 Hz. Provide equipment operations that are not affected by the transient voltages, surges and sags normally experienced on commercial power lines. Check the local power service to determine if any special design is needed for the equipment. The extra cost, if required, must be included in the bid of this item. H. Wiring. Provide wiring that meets the requirements of the National Electric Code. Provide wires that are cut to proper length before assembly. Do not doubled-back wire to take up slack. Lace wires neatly into cable with nylon lacing or plastic straps. Secure cables with clamps. Provide service loops at connections. I. Transient Suppression. Provide DC relays, solenoids and holding coils that have or other protective devices across the coils for transient suppression. J. Power Service Protection. Provide equipment that contains readily accessible, manually resettable or replaceable circuit protection devices (such as circuit breakers or fuses) for equipment and power source protection. K. Provide and size circuit breakers or fuses such that no wire, component, connector, PC board or assembly must be subjected to sustained current in excess of their respective design limits upon the failure of any single circuit element or wiring. L. Fail Safe Provision. Provide equipment that is designed such that the failures of the equipment must not cause the failure of any other unit of equipment. M. Mechanical Requirements. 1. Modular Design. Provide OC-3 Microwave Radio that is modular in design to allow major portions to be readily replaced in the field. Identify modules and assemblies clearly with name, model number, serial number and any other pertinent information required to facilitate equipment maintenance.

For the IDU, the dimensions shall be 1.7 in. height x 17 in. width x 9.4 in. depth and 2.7 kg in weight

8-11 XXXX 01-06 For the ODU, the dimensions shall be 10 in. diameter x 8 in. depth, 8 kg in weight, and it shall be in a fully weatherproof enclosure. Coat printed circuit boards with a clear-coat moisture and fungus resistant material (conformal coating).

2. Connectors and Harnesses. Provide external connections made by means of connectors. Provide connectors that are keyed to preclude improper hookups. Color code and/or appropriately mark wires to and from the connectors. Provide connecting harnesses of appropriate length and terminated with matching connectors for interconnection with the communications system equipment. Uniquely color code patch fibers with mixed connectors for easy identification. Provide pins and mating connectors that are plated to improve conductivity and resist corrosion. Cover connectors utilizing solder type connections by a piece of heat shrink tubing securely shrunk to insure that it protects the connection. N. Environmental Requirements. Provide all equipment capable of continuous operation over a temperature range of -35oC to 55oC (ODU), -5oC to 45oC (IDU) and a humidity range of 0% to 95% (non-condensing). 3. Construction. A. General. Provide equipment that utilizes the latest available techniques for design and construction with a minimum number of parts, subassemblies, circuits, cards, and modules to maximize standardization and commonality. Design the equipment for ease of maintenance. Provide component parts that are readily accessible for inspection and maintenance. Provide test points that are for checking essential voltages and waveforms. B. Electronic Components. Provide electronic components in accordance with Special Specification, “Electronic Components”. C. Mechanical Components. Provide external screws, nuts and locking washers that are stainless steel; no self-tapping screws will be used. Provide parts made of corrosion resistant material, such as plastic, stainless steel, anodized aluminum or brass. Protect materials from fungus growth and moisture deterioration. Separate dissimilar metals by an inert material. D. Experience Requirements. The Contractor or designated subcontractors involved in the installation and testing of the OC3 Microwave shall, as a minimum, meet the following requirements: Three years experience in the installation of a Microwave System. Two installed Microwave systems where Systems have been in continuously satisfactory operation for at least 1 year. The Contractor shall submit as proof, photographs or other supporting documents, and the names, addresses and telephone numbers of the operating personnel who can be contacted regarding the system.

9-11 XXXX 01-06 Provide necessary documentation of subcontractor qualifications pursuant to contract award. E. Technical Assistance. Ensure that a manufacturer's technical representative is available on site to assist the Contractor's technical personnel at each installation site and with Microwave System equipment installation and communication system configuration. Do not execute the initial powering up of the Microwave equipment without the permission of the manufacturer's representative. F. Testing. Perform testing in accordance with Article 2, Special Specification, “Testing, Training, Documentation, Final Acceptance, and Warranty”. Additional testing requirements are as follows: 1. System Testing: Conduct System Testing at the manufacturer's facility as well as before installation at the designated TXDOT locations.

Test each hop of the proposed system. This shall include transmit power and frequency, receiver performance and frequency, proper operation of switch over, proper operation of alarms and and bit error rate (BER) testing for the configured hop. Prior to beginning the manufacturer's test, provide TXDOT with a copy of the test procedure as well as the proposed test date(s).

Following completion of equipment installation and operational optimization, submit the Acceptance Test Plan to TXDOT for review and Approval. During the official Acceptance Testing, provide the technical staff to conduct the measurements and adjustments called for in the testing. TXDOT shall participate in the testing as the Official Test Witness. Each page of the Acceptance Test Document shall provide for data recording of the test results, and the name of Contractor's representative conducting the test as well as a suitable field for the test date and signature of TXDOT Test Witness. Upon TXDOT Approval of the Test Plan and the Test Schedule, the Acceptance Testing may begin. This shall include: 2. System-level Testing of the System Paths: Testing of the installed system paths shall include: • Measuring and recording the /receiver channel frequency and polarity. • Measuring and recording the transmitter power. • Measure and record the receiver fade margin. • Perform a one hour Bit Error Rate Test (BERT) on the primary equipment and record results. • Verify the operation of all local alarm and control points using the alarm/monitoring equipment provided. 3. System-level Test: Following testing of the individual equipment, test each hop on an end-to-end basis and perform a BERT on the primary equipment.

Test and verify the operation of the alarm and monitor equipment in accordance with the Acceptance Test criteria.

10-11 XXXX 01-06 G. Training. Provide training in accordance with Article 3, Special Specification, “Testing, Training, Documentation, Final Acceptance, and Warranty”. H. Documentation. Provide documentation in accordance with Article 4, Special Specification, “Testing, Training, Documentation, Final Acceptance, and Warranty”. I. Warranty. Provide a warranty in accordance with Article 6, Special Specification, “Testing, Training, Documentation, Final Acceptance, and Warranty”. 4. Measurement. This Item will be measured as each unit complete in place. 5. Payment. The work performed and material furnished in accordance with this Item and measured as provided under “Measurement” will be paid for at the unit price bid for “OC3 Microwave Radio”. This price shall include all equipment described under this Item with all cables and connectors, mounting assemblies, all documentation and testing; and shall include the cost of furnishing all labor, cost of FCC license, frequency search, materials, training, warranty, equipment, and incidentals necessary to complete the work.

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